We built a tiled box with 2 sides flush against 2 tiled walls and frameless glass on the other two sides which sit on top of the tiled box. We installed a drop-in whirlpool tub (with a 2-inch high rim on top) allowing for 3 inches of the box to show on 3 sides of the tub. The head wall houses the shower head and tub faucet. It dawned on us that when someone takes a shower, water will collect on the top of the box, unable to drain back into the tub because of the tub rim. Can we put holes in the top of the box and connect tubing to the holes and have them drain into the tub drain (which is PVC)? Someone said cutting the PVC and inserting the tubes would end up with problems later. If this can be done without problems, what should be used to connect the tubing to the PVC?
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